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Fits Honda Z50 Z50R & CT70 Years 1969-1987
Kawasaki KLX110RL (2021-Present)
While the new head may appear to be the same on the outside as our other race head
If you don't have any experience working on your engine
designed for street
186cc Big Bore Kit - Grom & Monkey 125 Clutch Fits Honda Z50 Z50R &TB Parts 186cc Big Bore Performance Kit (64mm) TBW9150 IMPORTANT UPDATE: These bore kits are only for the 2021 and older models (will not work on the new 2022 models as the engine has been redesigned) This is the biggest Grom & Monkey 125 bore kit on the market! The all aluminum ceramic coated cylinder is lighter than a steel sleeved aluminum cylinder, reduces friction (increasing power), improves sealing, and provides better heat transfer (runs and